One Family Foundation was built to serve. Our work is guided by a simple principle: support those closest to the problem in co-creating the solution.
Our philosophy
Not “I” but “We
We exist not to build our name, but to amplify the efforts of communities, governments, and innovators working toward a more just world. As honest brokers, our role is to:
Mediate cross-sector collaboration
Reduce competition for credit
Provide safe space for trust and co-creation
Remain agile, neutral, and focused on systems — not silos
Meet the Founders
Jeroo Billimoria
Co-Founder & Secretary to the Board
A pioneering social entrepreneur behind multiple global movements, including Child & Youth Finance International and Catalyst 2030. Jeroo is known for her humility, systems thinking, and deep-rooted belief in youth-led and community-driven change.
Bertjan Janzen
Co-Founder & Chair of the Board
A strategist and social impact advisor who brings a deep background in organizational design and policy advocacy. Bertjan co-founded One Family Foundation to strengthen the infrastructure for long-term development ecosystems.
The Board of Advisors
Koen Vermeltvoort
Strategist & Advisor
Provides governance oversight and strategic insight with a focus on systems innovation and sustainability.
Kristine Kohlstrand
Treasurer
Drives the Foundation’s financial transparency, compliance, and resource accountability.
Our Team
Bram van Eijk
Executive Director
Leads day-to-day operations and oversees program execution across all regions.
Paula Conaghan
Operations & Communications Lead
Manages internal systems, strategic messaging, and external partner engagement.
Yesha Oza
Fellow, Operations Coordinator
Coordinates operations and supports program delivery across initiatives.
Nate Harding
Summer Intern Oxford Saïd Business School
Aissatou Ndiaye Sarr
Research Intern
Lavisha Agarwal
Research Intern
Karolína Kučerová
Research Intern
Annual Reports
One Family Foundation has annual reports and financial statements dating from 2018. Please get in touch with us if you would like a copy of the reports not published on this website
We're always on the lookout for passionate, values-aligned individuals, from interns and fellows to senior collaborators. If you’re excited by systems thinking, local empowerment, and cross-sector change, we’d love to hear from you.
